80812000

素因数分解:

$2^5\times 5^3\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 201670560

約数和(自身を除く): 120858560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 125, 160, 178, 200, 227, 250, 356, 400, 445, 454, 500, 712, 800, 890, 908, 1000, 1135, 1424, 1780, 1816, 2000, 2225, 2270, 2848, 3560, 3632, 4000, 4450, 4540, 5675, 7120, 7264, 8900, 9080, 11125, 11350, 14240, 17800, 18160, 20203, 22250, 22700, 28375, 35600, 36320, 40406, 44500, 45400, 56750, 71200, 80812, 89000, 90800, 101015, 113500, 161624, 178000, 181600, 202030, 227000, 323248, 356000, 404060, 454000, 505075, 646496, 808120, 908000, 1010150, 1616240, 2020300, 2525375, 3232480, 4040600, 5050750, 8081200, 10101500, 16162400, 20203000, 40406000, 80812000]

約数ペア:

[(1, 80812000), (2, 40406000), (4, 20203000), (5, 16162400), (8, 10101500), (10, 8081200), (16, 5050750), (20, 4040600), (25, 3232480), (32, 2525375), (40, 2020300), (50, 1616240), (80, 1010150), (89, 908000), (100, 808120), (125, 646496), (160, 505075), (178, 454000), (200, 404060), (227, 356000), (250, 323248), (356, 227000), (400, 202030), (445, 181600), (454, 178000), (500, 161624), (712, 113500), (800, 101015), (890, 90800), (908, 89000), (1000, 80812), (1135, 71200), (1424, 56750), (1780, 45400), (1816, 44500), (2000, 40406), (2225, 36320), (2270, 35600), (2848, 28375), (3560, 22700), (3632, 22250), (4000, 20203), (4450, 18160), (4540, 17800), (5675, 14240), (7120, 11350), (7264, 11125), (8900, 9080)]